Display panel and display device

Patent metadata

Field	Value
Publication number	US-2023123066-A1
Application number	US-202218085829-A
Country	US
Kind code	A1
Filing date	Dec 21, 2022
Priority date	Apr 29, 2019
Publication date	Apr 20, 2023
Grant date	—

Abstract

Provided are a display panel and display device. The display panel includes: a sensor setting area and a first display area around the sensor setting area, where the sensor setting area includes at least one first area.

First claim

What is claimed is:

1 . A display panel, comprising:
a sensor setting area and a first display area around the sensor setting area; wherein the sensor setting area comprises an auxiliary display area and at least one first area, the at least one first area is used for allowing light to pass through, the first display area comprises first light-emitting units, and the auxiliary display area comprises second light-emitting units; wherein the display panel comprises: a first base substrate and transparent functional film layers disposed on one side of the first base substrate; wherein at least part of the transparent functional film layers are provided with a hollow area, and the first area is disposed within the hollow area.

2 . The display panel of claim 1 , wherein each of the at least one first area has a same film layer parameter.

3 . The display panel of claim 1 , wherein both the first light-emitting units and the second light-emitting units are organic light-emitting units; and
wherein an arrangement density of the first light-emitting units in the first display area is greater than an arrangement density of the second light-emitting units in the sensor setting area.

4 . The display panel of claim 1 , further comprising: a touch electrode layer;
wherein the touch electrode layer comprises a plurality of sub-touch electrodes, and each of the plurality of sub-touch electrodes is provided with a hollow area in the sensor setting area; and at least part of the first area is disposed within a hollow area.

5 . The display panel of claim 1 , further comprising: a second base substrate;
wherein the touch electrode layer is disposed on one side of the second base substrate.

6 . The display panel of claim 4 , wherein at least part of the first area is further disposed within an interval between adjacent sub-touch electrodes.

7 . The display panel of claim 4 , wherein vertical projections of the plurality of sub-touch electrodes on the first base substrate are all located within the auxiliary display area; and
wherein a gap between adjacent sub-touch electrodes is disposed in an area in which no second light-emitting unit is disposed in the auxiliary display area.

8 . The display panel of claim 4 , wherein the auxiliary display area is covered by vertical projections of the plurality of sub-touch electrodes on the first base substrate; and
a gap between adjacent sub-touch electrodes is disposed in an area of the sensor setting area except the first area.

9 . The display panel of claim 1 , further comprising: a first base substrate and support pillars disposed on one side of the first base substrate;
wherein one part of the support pillars are disposed in an area of the sensor setting area except the first area.

10 . The display panel of claim 9 , wherein the auxiliary display area is further provided with a plurality of signal traces, wherein the plurality of signal traces comprise first signal lines extending in a first direction and second signal lines extending in a second direction, wherein first direction is intersected with the second direction cross; and
the support pillars are disposed at positions where the first signal lines and the second signal lines are intersected.

11 . The display panel of claim 9 , wherein at least part of the second light-emitting units are provided with the support pillars; and
the support pillars do not overlap with a light-emitting area of each of the second light-emitting units.

12 . The display panel of claim 11 , wherein each of the second light-emitting units comprises a first color light-emitting unit, a second color light-emitting unit and a third color light-emitting unit; and
the support pillars are disposed in at least one of the first color light-emitting unit, the second color light-emitting unit or the third color light-emitting unit in each of at least part of the second light-emitting unit.

13 . The display panel of claim 9 , wherein another part of the support pillars are disposed in the first display area; and
wherein an arrangement density C 1 of the one part of the support pillars in the sensor setting area is the same as an arrangement density C 2 of the another part of the support pillars in the first display area.

14 . The display panel of claim 1 , wherein the first display area comprises first touch electrode structures, and the sensor setting area comprises second touch electrode structures, wherein the first touch electrode structures and the second touch electrode structures are disposed at different film layers, and
the first touch electrode structures are configured to detect a touch position within the first display area, and the second touch electrode structures are configured to detect a touch position within the sensor setting area.

15 . The display panel of claim 14 , wherein the first touch electrode structures are mutual-capacitive touch electrode structures, and the second touch electrode structures comprise self-capacitive touch electrode blocks, wherein
the sensor setting area is completely covered by the self-capacitive touch electrode blocks.

16 . The display panel of claim 15 , further comprising a first base substrate, and a display layer and an encapsulation layer stacked on one side of the first base substrate, wherein the display layer comprises at least one display electrode layer, and
the self-capacitive touch electrode blocks and one of the at least one display electrode layer are disposed at a same layer.

17 . The display panel of claim 16 , wherein the mutual-capacitive touch electrode structures are disposed on one side of the encapsulation layer facing away from the first base substrate.

18 . The display panel of claim 16 , further comprising: a second base substrate, wherein the second base substrate is disposed on one side of the encapsulation layer facing away from the first base substrate, and the mutual-capacitive touch electrode structures are disposed between the second base substrate and the encapsulation layer.

19 . The display panel of claim 1 , wherein the first area is a photosensitive element setting area.

20 . A display device, comprising the display panel of claim 1 and
a sensor module;
wherein the sensor module is disposed in the sensor setting area.

21 . A display panel, comprising:
a sensor setting area and a first display area around the sensor setting area; wherein the sensor setting area comprises an auxiliary display area and at least one first area, the at least one first area is used for allowing light to pass through, the first display area comprises first light-emitting units, and the auxiliary display area comprises second light-emitting units; wherein the display panel comprises: a touch electrode layer, the touch electrode layer comprises a plurality of sub-touch electrodes, and each of the plurality of sub-touch electrodes is provided with a hollow area in the sensor setting area; and at least part of the first area is disposed within a hollow area.

22 . The display panel of claim 21 , wherein at least part of the first area is further disposed within an interval between adjacent sub-touch electrodes.

23 . The display panel of claim 21 , wherein vertical projections of the plurality of sub-touch electrodes on the first base substrate are all located within the auxiliary display area; and
wherein a gap between adjacent sub-touch electrodes is disposed in an are

Assignees

• Wuhan Tianma Micro Electronics Co Ltd

Inventors

• Cai Min
• Fei Rili
• Ma Yufang
• Ma Yangzhao
• Zhou Ruiyuan
• Xia Zhiqiang
• Chen Yingjie

Classifications

• H10K59/13

  comprising photosensors that control luminance · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• H10D86/411 Primary

  characterised by materials, geometry or structure of the substrates · CPC title

• G06F2203/04103

  Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices · CPC title

• G06F3/0447

  Position sensing using the local deformation of sensor cells · CPC title